изменение амплитуды : 73 phrases in 18 subjects |
Aerohydrodynamics | 1 |
Astronomy | 3 |
Aviation | 1 |
Construction | 1 |
Electronics | 18 |
General | 2 |
Geophysics | 7 |
Makarov | 3 |
Mass media | 18 |
Mathematics | 2 |
Medical | 5 |
Metrology | 1 |
Quality control and standards | 1 |
Seismology | 2 |
Technology | 4 |
Telecommunications | 2 |
Television | 1 |
Thermal engineering | 1 |